<?php
namespace lisPHP\DB;
/**
 * 数据库实例类的接口
 * author      : lis
 * creatTime   : 2015-12-29 15:03
 * email       : 407505297@qq.com
 * description :
 */
Interface DbInterface{

    public function close();

    public function query($sql);

    public function fetchAssoc($resource);

    public function select($sql);
}